Finding the Third Proportional to 851.52 and 1,826.20

Step by Step Solution

1. Step 1: Write the proportion equation
   851.52 : 1,826.20 = 1,826.20 : x
2. Step 2: Convert to fraction form
   851.52/1,826.20 = 1,826.20/x
3. Step 3: Cross multiply
   851.52x = 1,826.20 × 1,826.20
4. Step 4: Simplify right side
   851.52x = 3,335,008.16
5. Step 5: Solve for x
   x = 3,335,008.16/851.52
6. Step 6: Final answer
   x = 3,916.55